Lubricating graphene with a nanometer-thick perfluoropolyether
Keywords: CVD, chemical vapor deposition; COF, coefficient of friction; AFM, atomic force microscopy; PMMA, polymethyl methacrylate; Si/SiO2, silicon/silicon dioxide; Si/G, Si/SiO2/graphene; Si/G/Z03, Si/SiO2/graphene/Z03; Ni/G, Si/SiO2/Ti/nickel/graphene; Ni/G/Z03